This is a tough one. For me, I've always been driving naturally aspirated cars. But, the few times I've ridden in a tubo'd (forced induction) car, it was really nice. The VW GTI that my friend had sent shivers down my spine. lol. That PFFTT of a blow off valve is a nice sound.

There are turbo's that don't even need a wastegate valve anymore either, you know.

These turbo's have adjustable wings on the turbine, so when the RPM's are low they have a very steep angle to the exhaust gases. When the RPM and thus the exhaust pressure gets higher the wings adjust their angle to be more blunt so they keep the boost constant. This way they don't need to blow off excess air when you shift, rather the wings just adjust their angle so they can cope with the pressure/loss in pressure.

Personally I think a wastegate-valve sounds cool, but whatever's more efficient is the most important.
Big disadvantage for these turbo's is that they are almost impossible to revice because they're quite complicated pieces of technology so when one breaks down you're almost always down to buying a new one.

For me... I'd say supercharging is very efficient.. turbocharging is awesome fun because of the instant powerboost and NA tuning is pure mechanical heaven (although it is dreadful to the durability of the engine)

So every type of tuning has it's pro's and con's... I'd prefer a supercharged car for being the middle of pure powerboost and durability.

Honda engines such as the F20/22 (4-cylinder, of course) sound freakin' sweet in naturally aspirated form. I imagine a supercharger on Honda's already-sweet-sounding engines would make any gearhead wet their pants!

id prefer NA because forced induction puts strain on a car's engine, and I'd like mine to last thanks. I'd put forced induction if it was a car i'd be messing with on the tracks or something

It goes both ways really. High output NA engines don't last long, neither do high output turbo motors. When you start modifying the engine and replacing them with aftermarket parts with performance in mind, the overall life of the engine is shorter because you're demanding more from the engine.

I've probably said before but I'll say it again. I like both kinds but I think I'm kinda backwards on it. Bridgeported NA rotary sounds wicked fun, and a twin turbo LS1 V8 sounds sweet. I guess I'm just special.